note 97038 added to class.arrayiterator

Why does this class doesn't implement Serializable interface if it contains serialize() and unserialize() methods? And why some of its methods beginning with "get" are returning nothing (void) ? Something really spooky is going on here... ---- Server IP: 69.147.83.197 Probable Submitter: 83.10.79.59 ---- Manual Page -- http://www.php.net/manual/en/class.arrayiterator.php Edit -- https://master.php.net/note/edit/97038 Del: integrated -- https://master.php.net/note/delete/97038/integrated Del: useless -- https://master.php.net/note/delete/97038/useless Del: bad code -- https://master.php.net/note/delete/97038/bad+code Del: spam -- https://master.php.net/note/delete/97038/spam Del: non-english -- https://master.php.net/note/delete/97038/non-english Del: in docs -- https://master.php.net/note/delete/97038/in+docs Del: other reasons-- https://master.php.net/note/delete/97038 Reject -- https://master.php.net/note/reject/97038 Search -- https://master.php.net/manage/user-notes.php